PowerFlex 3.x：演示服务器停止在 UI 中记录警报。

Summary: 演示服务器停止在 UI 中记录警报。

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Symptoms

在这种情况下，演示服务器 （mgmt-server） 安装在 SDS 节点上。

来自主元数据管理器 （MDM） 的事件表明安装了 mgmt-server 的 SDS 处于维护模式并重新启动。
 

2023-07-19 23:39:45.351000:0237719:MDM_CLI_CONF_COMMAND_RECEIVED    INFO     Command enter_maintenance_mode received, User: ': user-a'. [3246236] SDS: ID: 7fcf39320000000c;
2023-07-19 23:40:02.906000:0237721:SDS_DECOUPLED                    ERROR    SDS: sds-03 (id: 7fcf39320000000c) decoupled.
2023-07-19 23:58:58.776000:0237726:SDS_RECONNECTED                  INFO     SDS: sds-03 (ID 7fcf39320000000c) reconnected.

 

冲击：
UI 中不显示警报。

/var/log/messages 显示正在重新启动的节点。
 

Jul 19 23:47:27 sds-03 systemd-shutdownd: Shutting down at Wed 2023-07-19 23:48:27 BST (reboot)...

当节点启动时，mgmt-server 服务会启动，但在尝试启动警报管理器服务时失败。 

来自 mgmt-server 的scaleio.log可能会显示以下错误。
 

2023-07-19 23:58:39,662 [main|INFO |com.emc.vxflexos.webui.backend.Server.main] Starting PowerFlex MGMT server...
2023-07-19 23:58:44,796 [main|INFO |com.emc.vxflexos.webui.backend.services.ServicesModule.lambda$null$1] Registering service AlertsManagerService to ServiceManager
2023-07-19 23:58:45,804 [AlertsManagerService STARTING|INFO |com.emc.vxflexos.webui.backend.services.alerts.AlertsManagerService.lambda$new$2] Alerts observable got subscribed
2023-07-19 23:58:45,811 [RxSingleScheduler-1|ERROR|com.emc.vxflexos.webui.backend.services.alerts.AlertsManagerService.onError] Error occurred:
java.util.ConcurrentModificationException: null
    at java.util.HashMap.computeIfAbsent(HashMap.java:1135) ~[?:?]
    at com.slimgears.util.autovalue.annotations.PropertyMeta$1.getAnnotation(PropertyMeta.java:130) ~[auto-value-utils-annotations-0.7.46.jar:?]
    at com.slimgears.util.autovalue.annotations.PropertyMeta.hasAnnotation(PropertyMeta.java:76) ~[auto-value-utils-annotations-0.7.46.jar:?]
    at com.slimgears.rxrepo.util.PropertyExpressions.lambda$mandatoryProperties$13(PropertyExpressions.java:267) ~[rxrepo-core-0.7.130.jar:?]
...

Cause

节点重新启动后，演示服务器可能不会显示警报。此零星问题似乎与节点启动期间的计时或争用情况有关。
 

 

Resolution

要解决此问题，请重新启动 mgmt-server 服务以恢复警报。

systemctl restart mgmt-server.service


 

受影响的版本

PowerFlex 3.6.3 及更低版本

已修复问题的版本

PowerFlex 3.6.4


 

Additional Information

演示服务器停止在 UI 中记录警报 — PowerFlex 上报工程 — ISG Confluence（内部）

Affected Products

PowerFlex Appliance
Article Properties
Article Number: 000220904
Article Type: Solution
Last Modified: 25 Jun 2025
Version:  2
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